Home / 4,977,407.80-7,467,494.10-2,138,879.80

Finding the Fourth Proportional to 4,977,407.80, 7,467,494.10 and 2,138,879.80

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Solution

The fourth proportional to 4,977,407.80, 7,467,494.10 and 2,138,879.80 is: 3,208,913.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977,407.80 : 7,467,494.10 = 2,138,879.80 : x
  2. Step 2: Convert to fraction form
    4,977,407.80/7,467,494.10 = 2,138,879.80/x
  3. Step 3: Cross multiply
    4,977,407.80x = 7,467,494.10 × 2,138,879.80
  4. Step 4: Simplify right side
    4,977,407.80x = 15,972,072,287,109.18
  5. Step 5: Solve for x
    x = 15,972,072,287,109.18/4,977,407.80
  6. Step 6: Final answer
    x = 3,208,913.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.